const fs = require("fs");
const path = require("path");

var filePath = path.join(__dirname,"e.txt");

fs.readFile(filePath,(err,data)=>{
    if(err){
        console.log(err);
    }
    else{
       console.log(data.toString("utf-8")); 
    }
});

console.log("异步代码执行");